If A = {a, b, c} and relations R1, R2: A → A are R1 = {(a, b), (b, c), (c, a), (a, a), (b, b), (c, c)} R2 = {(a, b), (b, c), (c, a), (a, a)}, then
1
R1 is equivalence relation but R2 is not.
2
R1 is transitive but R2 is not.
3
R1 and R2 both are equivalence
4
None of these